#VU54157 Observable discrepancy in Intel products - CVE-2021-0001

Vulnerability identifier: #VU54157

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-0001

CWE-ID: CWE-203

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Intel SGX SDK for Windows
Client/Desktop applications / Other client software
Intel SGX SDK for Linux
Client/Desktop applications / Other client software
Intel Software Guard Extensions (SGX) Datacenter Attestation Primitives (DCAP)
Hardware solutions / Firmware
Intel SGX PSW for Windows
Hardware solutions / Firmware
Intel SGX PSW for Linux
Hardware solutions / Firmware
Intel Integrated Performance Primitives
Universal components / Libraries / Libraries used by multiple products

Vendor: Intel

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to observable timing discrepancy. A local user can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Intel SGX SDK for Windows: 2.12.100.4

Intel SGX SDK for Linux: 2.13.100.4

Intel Software Guard Extensions (SGX) Datacenter Attestation Primitives (DCAP): 1.10.100.4

Intel SGX PSW for Windows: 2.12.100.4

Intel SGX PSW for Linux: 2.13.100.4

Intel Integrated Performance Primitives: before 2020

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00477.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.